How to Choose LWC or Aura component?

Always choose Lightning Web Components unless you need a feature that isn’t supported. There are following features which are not supported in LWC.

  • Salesforce Console APIs (Navigation Item API, Workspace API, Utility Bar API)
  • URL Addressable Tabs
  • Conversation Toolkit API, Omni Toolkit API, Quick Action API
  • Standard Action Overrides, Global Actions, List View Actions, Related List View Actions
  • Chatter Extensions